angie-conv-image/image-entry.d/22-http-max-ranges.envsh

#!/bin/sh

if [ "${NGX_HTTP}" = 0 ] ; then
	unset NGX_HTTP_MAX_RANGES
else
	unset _NGX_HTTP_MAX_RANGES
	## here should be SANE defaults (!)
	_NGX_HTTP_MAX_RANGES=16

	[ -n "${NGX_HTTP_MAX_RANGES:-}" ] || NGX_HTTP_MAX_RANGES=${_NGX_HTTP_MAX_RANGES}
	case "${NGX_HTTP_MAX_RANGES}" in
	"${_NGX_HTTP_MAX_RANGES}" ) ;;
	## allow values within [1;999]
	[1-9] | [1-9][0-9] | [1-9][0-9][0-9] ) ;;
	0 )
		log_always "HTTP: Range/If-Range/Accept-Ranges support is disabled by NGX_HTTP_MAX_RANGES=0"
	;;
	* )
		log_always "NGX_HTTP_MAX_RANGES: unrecognized value: ${NGX_HTTP_MAX_RANGES}"
		log_always "setting NGX_HTTP_MAX_RANGES=${_NGX_HTTP_MAX_RANGES}"
		NGX_HTTP_MAX_RANGES=${_NGX_HTTP_MAX_RANGES}
	;;
	esac

	export NGX_HTTP_MAX_RANGES

	unset _NGX_HTTP_MAX_RANGES
fi